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P/2015 M2 (PANSTARRS)
Classification: Chiron-type Comet          SPK-ID: 1003400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179076547906711 1.9713e-05  
a 7.202599267060346 0.00021877 au
q 5.912782654359772 4.115e-05 au
i 3.973864755919864 3.7036e-05 deg
node 86.6113392743942 0.00063044 deg
peri 224.7869319297724 0.0029464 deg
M 7.794352011285356 0.0022454 deg
tp 2457265.634380557083
(2015-Aug-31.13438056)
0.038491 TDB
period 7060.448760816864
19.33
0.32168
0.0008807
d
yr
n .05098826040603537 2.3231e-06 deg/d
Q 8.492415879760918 0.00025795 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      873 days (2.39 yr)  
   first obs. used      2015-06-22  
   last obs. used      2017-11-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .46995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:33:13  

Additional Information
 Earth MOID = 4.89984 au 
 Jupiter MOID = .811438 au 
 T_jup = 3.032 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.0   0.6 12 from 129 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 11.75   n/a 12 autocmod 2.9c
comet nuclear magnitude M2 11.9   0.3 12 from 12 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 12 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 12 autocmod 2.9c

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1971-Jul-13 21:01 1_22:34 Jupiter 1.7027388619354 1.70139455688969 1.70408055042133 1.2907980090099 0.819307816071905 2441146.375861116 2794.15862998117 164560.306246772 28737.4557922841 0.0496712813085162 1686.39172356838 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:13 2021-Apr-15 23:33
2005-Sep-01 13:11 3_06:30 Saturn 0.970344704242044 0.968202646442778 0.972481043331864 1.43249240508871 1.23664801166352 2453615.049314524 4709.5147919273 25849.3464211371 6346.86941127159 -36.8043543958265 1722.08304028597 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:13 2021-Apr-15 23:33
2064-Dec-02 01:40 1_02:11 Saturn 1.48548268527089 1.47629442040791 1.49466660224652 2.35565827669346 2.28203089220202 2475256.569549144 1571.03182590127 439449.391251485 648.062675381521 -8.47946726635016 16835.6714937834 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:13 2021-Apr-15 23:33
2092-May-30 20:39 1_07:22 Jupiter 0.57662054369103 0.575336343068018 0.577914963877664 2.05249552935068 1.1290937039636 2485298.360237359 1882.01912564533 618046.402868004 36014.3138437611 24.9495380974236 1178.76000468539 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:13 2021-Apr-15 23:33
2178-Oct-18 22:24 2_00:11 Saturn 0.580427142086332 0.415048040647422 0.767615357243912 3.68002270067624 3.55930734592465 2516849.433432164 2890.63773118559 10502200.4046478 19300.9825874579 30.2614188511747 3407.31785352592 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:33:13 2021-Apr-15 23:33

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.7   P/2015 M2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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